321425377 has 8 divisors (see below), whose sum is σ = 395600576. Its totient is φ = 254314512.

The previous prime is 321425371. The next prime is 321425389. The reversal of 321425377 is 773524123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321425377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321425371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765983 + ... + 1766164.

It is an arithmetic number, because the mean of its divisors is an integer number (49450072).

Almost surely, 2^321425377 is an apocalyptic number.

It is an amenable number.

321425377 is a deficient number, since it is larger than the sum of its proper divisors (74175199).

321425377 is a wasteful number, since it uses less digits than its factorization.

321425377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532167.

The product of its digits is 35280, while the sum is 34.

The square root of 321425377 is about 17928.3400514381. The cubic root of 321425377 is about 685.0044413373.

The spelling of 321425377 in words is "three hundred twenty-one million, four hundred twenty-five thousand, three hundred seventy-seven".